Appinventor ModbusRTU and ModbusTCP 1.1 This extension uses SerialOTG to add support for BT and WIFI. It implements ModbsuRTU and ModbusTCP protocol and allows to bridge ModbusRTU over BT or WIFI.

It implements single 16b register read, write and a function to calculare ModbusRTU CRC. Ver 1.1 Add single 32b register read.

It replaces the previous ModbusRTU.